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Open Access Review Article

Pseudo-Electrical Storm in Patients with Implanted Cardioverter Defibrillator

Maurizio Santomauro1*, Mario Petretta2, Carla Riganti3, Francesco Elia4, Gabriele Iannelli5 and Domenico Bonaduce2

1,4,5Department of Cardiovascular Emergency, Federico II University, Italy

2Department of Translational Medical Sciences, Federico II University, Italy

3General Direction, Medical School, Federico II University, Italy

Corresponding Author

Received Date: August 16, 2019;  Published Date: August 27, 2019


The Electrical Storm indicates cardiac electrical instability manifested by several episodes of ventricular tachyarrhythmias within a short time. Pseudo-ES is defined as recurrent inappropriate implantable cardioverter-defibrillator discharges over 24 hours. Far from being a minor complication, Pseudo-ES is usually physical and psychological harmful and potentially lethal. The most common causes of inappropriate ICD shock include supraventricular tachycardia with high ventricular response and oversening of peaked T waves or R wave, myopotentials or electrical noise. To approach these patients systematically, it is important to understand that in general, there are four causes of shock. Modern ICD incorporate sophisticated tachycardia detection algorithms within their programming designed to minimize detection mistakes by the device and ICD-related informations. They are often not utilized to their full benefit. Thus, careful attention should be paid the programming of the device. Fine tuning of the detection and differentiation algorithms is critical, and best done by a practitioner who understands the subtle differences among the different manufacturers.

Keywords:Implanted cardioverter defibrillator; Pseudo-Electrical Storm; Inappropriate Shock

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